Noun
(plural Ramsey numbers)
- (combinatorics) Any one of a certain set of numbers which are guaranteed to exist by Ramsey's theorem; a positive integer which is a certain function of some given multiset of positive integers, where that "certain function" is that which yields the minimal number guaranteed to exist by Ramsey's theorem.
Origin
Named after Frank Plumpton Ramsey (1903–1930), British mathematician, philosopher and economist.
